Nasal mucosa swelling, also known as nasal mucosa enlargement, is most commonly seen in rhinitis. It is an enlargement of the nasal mucosa caused by the irritation of the nasal mucosa due to inflammation in the nasal cavity. In terms of pathological changes of the nasal mucosa, there are chronic simple rhinitis, chronic hypertrophic rhinitis, caseous rhinitis, atrophic rhinitis, etc. In terms of the urgency of onset and duration of the disease, it can be divided into acute rhinitis and chronic rhinitis. When rhinitis develops to a certain degree, the vascular lesions of the nasal mucosa are manifested as pale edema when microvascular dilatation and increased permeability are predominant, and as swelling when the vascular lesions of the nasal mucosa are predominantly dilated by microvessels and cavernous sinuses. Swelling or edema of the nasal mucosa is one of the main causes of nasal blockage. If nasal mucosa swelling (rhinitis) is not effectively treated, it can seriously affect people’s normal life, mainly manifested by dizziness, weakness, low fever, excessive nasal discharge, blood in the nose and other symptoms. If it continues to develop for a long time, it may even cause cancer. Dietary attention: 1, it is advisable to consume heat-clearing and detoxifying food; 2, it is advisable to have a light, easy-to-digest diet; 3, a high vitamin diet. White onion: white onion has the effect of dispersing cold and dispersing the symptoms, mainly for the treatment of wind-cold colds and nasal congestion. Method: 3 white onion, 15 grams of ginger, boiling water or decoction for 10 minutes plus engage a little after drinking. Grapes: Grapes are rich in vitamin C and bioflavonoids, which can play an anti-inflammatory role. Method: 50-100 grams per day. Blackberry: Blackberry is rich in vitamin C and bioflavonoids, which can play an anti-inflammatory role. Method: 50 grams per day. Avoid food: 1. Avoid spicy food; 2. Avoid spicy and irritating food; 3. Avoid febrile food. Chili pepper: chili pepper will stimulate the nasal mucosa, so that the increase in secretions and aggravate the condition. Onion, garlic are eaten sparingly for good. Pepper: pepper will stimulate the nasal mucosa, increase secretions and aggravate the condition. Fresh spicy powder is also good to eat less. Shrimp: shrimp can contribute to the spread of inflammation, so it should be avoided. Other seafood should also be eaten sparingly.